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Tunnel Ventilation Fans Activation Schedules

Tunnel Ventilation Fans (TVFs) are installed near certain MRT stations along the North-South and East-West to provide air movement in MRT tunnels. 

TVFs are used primarily for:
1. Maintenance works in the tunnels during non-revenue hours. These include works such as tunnel washing, rail welding and rail grinding.
2. Emergency situations when commuters are evacuated from the tunnel to the nearest station platform.

The powered ventilation is necessary for the health, safety and comfort of our workers in the tunnel as the TVFs remove elements such as smoke, heat and dust generated during the maintenance works. 
 
We have made every effort to minimise noise and any inconvenience caused to neighbouring residential and commercial areas. Please watch this space for the latest schedule.

From 5 January to 11 January 2026

 





1Tanjong Pagar - City Hall5 January 20260100 - 0430 hrs
2Somerset - Orchard 6 January 20260100 - 0430 hrs
3Orchard - Somerset6 January 20260100 - 0430 hrs
4City Hall - Dhoby Ghaut6 January 20260100 - 0430 hrs
5Newton - Novena6 January 20260100 - 0430 hrs
6Lavendar - Bugis6 January 20260100 - 0430 hrs
7Bugis - Lavendar6 January 20260100 - 0430 hrs
8Newton - Somerset7 January 20260100 - 0430 hrs
9Raffles Place - Tanjong Pagar7 January 20260100 - 0430 hrs
10Somerset - Orchard7 January 20260100 - 0430 hrs
11City Hall - Dhoby Ghaut7 January 20260100 - 0430 hrs
12Tiong Bahru - Outram Park7 January 20260100 - 0430 hrs
13Lavendar - Bugis7 January 20260100 - 0430 hrs
14Bugis - Lavendar7 January 20260100 - 0430 hrs
15City Hall - Somerset8 January 20260100 - 0430 hrs
16Braddell - Novena8 January 20260100 - 0430 hrs
17Orchard - Somerset8 January 20260100 - 0430 hrs
18Raffles Place - Marina Bay8 January 20260100 - 0430 hrs
19
Dhoby Ghaut - City Hall
8 January 20260100 - 0430 hrs
20Tiong Bahru - Outram Park8 January 20260100 - 0430 hrs
21Bugis - City Hall8 January 20260100 - 0430 hrs
22 City Hall - Bugis9 January 20260100 - 0430 hrs
23Redhill - Tanjong Pagar9 January 20260100 - 0430 hrs
24Novena - Newton9 January 20260100 - 0430 hrs
25Newton - Novena9 January 20260100 - 0430 hrs
26Somerset - Orchard9 January 20260100 - 0430 hrs
27Orchard - Somerset9 January 20260100 - 0430 hrs
28Lavendar - Bugis9 January 20260100 - 0430 hrs
29Tiong Bahru - Redhill9 January 20260100 - 0430 hrs
30Lavendar - Bugis10 January 20260100 - 0430 hrs
31Novena - Newton10 January 2026`0100 - 0430 hrs
32Newton - Novena10 January 20260100 - 0430 hrs
33Outram Park - Tanjong Pagar10 January 20260100 - 0430 hrs
34Tiong Bahru - Redhill10 January 20260100 - 0430 hrs
35Bugis - Lavendar10 January 20260100 - 0430 hrs
36Tanjong Pagar - City Hall11 January 20260100 - 0430 hrs
37Novena - Newton11 January 20260100 - 0430 hrs
38Raffles Place - Marina Bay11 January 20260100 - 0430 hrs
39Tiong Bahru - Outram Park11 January 20260100 - 0430 hrs
40Bugis - Lavendar11 January 20260100 - 0430 hrs
41Outram Park - Tanjong Pagar11 January 20260100 - 0430 hrs
42Tiong Bahru - Redhill11 January 20260100 - 0430 hrs

Night Grass-Cutting Works Schedule

1436, 442B, 442C, 443A, Fajar Road6 January 20260130 - 0400 hrs
2

254, 296D, 296E, 297C Choa Chu Kang Ave 2

813A Choa Chu Kang Ave 7

801A Keat Hong Close

9 January 20260130 - 0400 hrs




NOTE: The maintenance schedule is accurate at the time of publication but is subject to change due to unforeseen circumstances such as weather condition, urgent track work for safety reasons, etc.